#include <iostream>
#include <algorithm>
using namespace std;
class Solution
{
  public:
    string toLowerCase(string str)
    {
        transform(str.begin(), str.end(), str.begin(), ::tolower);
        return str;
    }
};
int main()
{
    string str = "LOVELY";
    cout << Solution().toLowerCase(str) << endl;
    return 0;
}